San Juan College Library subscribes to EBSCO's Auto Repair Center, a great resource for information on the engines of many models of automobiles, from 1945 on.
Below are some free internet sites:
Automotive Service Association
Home page of the Automotive Service Association.
Information for consumers about Autos, Boats, Trucks, RVs, etc.
Links for accessories, parts, and advice for all kinds of motor vehicles, from cars to airplanes to boats.
Government website from the U.S. Department of Energy. Compare gas mileage of various cars, as well as other types of information.
Home page for General Motors.
Used vehicle pricing and information.
Web site for the Society of Automotive Engineering. A good place to look for technical information on automotive mechanics, etc.
Home page for Toyota.
Information about automotive repair, maintenance, etc. The "Recomended Sites" portion could be a helpful starting point for looking up other automotive sites.